. >> the president also said that the united states will do whatever it takes to stop i ran from developing nuclear weapons to regional we believe that there's time and space to resolve this through diplomacy. but that time is not unlimited. >> republicans are criticizing the president for not holding meetings with foreign leaders vowed he is here. the white house says that the president speaks to heads of state on a regular basis. republican presidential nominee mitt romney delivered his own foreign-policy address across town at the clinton global initiatives. >> if there's one thing we learned in this election season it is that a few words from bill clinton can demand a lot of good. >> mitt romney said that he wants to change the u.s. foreign aid system, requiring countries that take development money to remove trade barriers and allow u.s. investments. >> we will couple need with trade in private investment and partnerships to empower individuals, in courage innovators, and rework entrepeneurs. >> mitt romney said that these reforms could bring stability to the middle east and other deve